Since it's Gilles in the 1979 312T4, and he's on wet tires, that starts to narrow it down.

But I suspect that picture was at Watkins Glen, where it did rain in qualifyng, and .....

Quote:

On Friday, the rain was heavy enough all day that only a few cars even took the track, and fewer still made any serious attempt at a lap time. Of the six that did actually record a time, Villeneuve was fastest by over nine seconds! Scheckter, second fastest, thought he was mad, but was also quite in awe of the Canadian's performance in the conditions.